Lived in Hamburg, lived in Bergen (Norway) during the war, died in Auschwitz concentration camp.
Possibly the "Prof. P. Borinski" refered to in this 1928 paper by Prof. Dr. Alfred Stock as director of the Chemical Institute of the Berlin Health-Administration who founded of the Mercury Investigative Agency of the City of Berlin. A Dr Phil Paul Borinski, chemist, is listed in the 1930 Berlin address book at NW87, Claudius Strasse 7.